/**! 可以根据自己的喜好搭配渐变，网址：https://webgradients.com/ */
.login-box {
  background-color: #d8eee2;
  background-image: radial-gradient(closest-side, #30cfd0, rgba(235, 105, 78, 0)),
    radial-gradient(closest-side, #52aea3, rgba(243, 11, 164, 0)),
    radial-gradient(closest-side, #fff1eb, rgba(254, 234, 131, 0)),
    radial-gradient(closest-side, #fed6e3, rgba(170, 142, 245, 0)),
    radial-gradient(closest-side, #a8edea, rgba(248, 192, 147, 0));
  background-size:
    130vmax 130vmax,
    80vmax 80vmax,
    90vmax 90vmax,
    110vmax 110vmax,
    90vmax 90vmax;
  background-position:
    -80vmax -80vmax,
    60vmax -30vmax,
    10vmax 10vmax,
    -30vmax -10vmax,
    50vmax 50vmax;
  background-repeat: no-repeat;
  animation: 8s movement linear infinite;
}

@keyframes movement {
  0%,
  100% {
    background-size:
      130vmax 130vmax,
      80vmax 80vmax,
      90vmax 90vmax,
      110vmax 110vmax,
      90vmax 90vmax;
    background-position:
      -80vmax -80vmax,
      60vmax -30vmax,
      10vmax 10vmax,
      -30vmax -10vmax,
      50vmax 50vmax;
  }
  25% {
    background-size:
      100vmax 100vmax,
      90vmax 90vmax,
      100vmax 100vmax,
      90vmax 90vmax,
      60vmax 60vmax;
    background-position:
      -60vmax -90vmax,
      50vmax -40vmax,
      0vmax -20vmax,
      -40vmax -20vmax,
      40vmax 60vmax;
  }
  50% {
    background-size:
      80vmax 80vmax,
      110vmax 110vmax,
      80vmax 80vmax,
      60vmax 60vmax,
      80vmax 80vmax;
    background-position:
      -50vmax -70vmax,
      40vmax -30vmax,
      10vmax 0vmax,
      20vmax 10vmax,
      30vmax 70vmax;
  }
  75% {
    background-size:
      90vmax 90vmax,
      90vmax 90vmax,
      100vmax 100vmax,
      90vmax 90vmax,
      70vmax 70vmax;
    background-position:
      -50vmax -40vmax,
      50vmax -30vmax,
      20vmax 0vmax,
      -10vmax 10vmax,
      40vmax 60vmax;
  }
}
